REPAIR MAINT TO DG SET MES PUMP HOUSE AND CONNECTED EM WORK AT BAGRAKOTE MIL STN UNDER GE SEVOKE ROAD

Amount

Maintenance & servicing of existing make and model DG set including tappet cover adjustment & gasket replacement of capacity 15KVA-03 Nos, (Lower Bkt, 812 CETC, targhera P/H) including replacement of following spares complete all as specified and directed. Note: Spares will be measured & paid separately under respective items here in after.

Supply only of Fuel Filter

Supply only of Lubricant oil filter

Supply only of Coupling

Supply only of Fan belt

Supply only of carbon bush

Supply only lubricant oil supply pipe

Air filter Element

Maintenance & servicing of existing make and model DG set including tappet cover adjustment & gasket replacement of capacity 31.50 KVA,30.00 KVA-04 Nos, 27.5KVA(DG Set at Sig Center,Upper Bagrakote P/H,Upper Songachhi P/H, Damdim P/H, 551 Rkt P/H, Rangamatti-II P/H)including replacement of following spares complete all as specified and directed. Note: Spares will be measured & paid separately under respective items herein after.

Supply only of Fuel Filter

Supply only of Lubricant oil filter

Supply only Carbon Bush

Supply only Air Filter element

Supply only Radiator hose pipe set

Supply only Fan belt

Supply only LLOP Sensor

Maintenance & servicing of existing make 40.00 KVA ( Rangamatti,33cassu,MalP/H,ASC utchery,Shaugaon,Chakla line,Chanda Coy,12 Fd Regt ) including tappet cover adjustment & gasket replacement including replacement of following spares complete all as specified and directed. Note: Spares will be measured & paid separately under respective items here in after.

Supply only of Fuel Filter

Supply only of Lubricant oil filter

Supply only Radiator hose pipe set

Supply only Fan belt

Supply only Air Filter element

Supply only rpm meter with lead

Supply only LLOP Sensor

M & L for taking out old U/S engine oil from DG Sets sumps, cleaning the sump throughly, supply & filling new engine oil complete of Make: Servo Super 20W40 of Indian Oil or Equivalent grade of Hindustan Petroleum as approved by GE, complete all as specified and directed

M & L for topping up of water coolant in radiator of DG set ,complete all as specifoed and as directed.

M & L for dismantling of FIP for overhauling and calibration in authorised workshop including replacement of worn-out rings plungers, damper plate, gasket etc reassembling and testing complete all as specifed and as directed for following DG Set:

27.5KVA to 31.5KVA

Repair Overhauling of self starter including replacement of worn out cluthc assembly bush, spring, plunger assembly, solenoid switch, carbon brushes,spring etc complete all as specified and as directed for the DG sets:

27.5KVA to 31.5KVA

Repair/Overhauling of dynamo/charging alternator including replacement carbon, brushes holder, spring commutator/slip ring assembly bearing regulator of any make , type and capacity complete all as specified and as directed

Cleaning of the fuel tank of DG sets of following capacity after decaning the diesel, after through cleaning with kerosene oil including replacement of level indicator pipe complete all as specified and as directed:

27.5KVA to 31.5KVA

Dismantling and removing of water pump assembly complete from the engine, repair/overhauling the same by replacing worn ou components like bearing, impeller, bushes, oil seal, water seal, gasket etc. re-assembling, refixing and testing complete all as specified and directed for the following capacity of DG sets:

15KVA/30KVA/31.5KVA/40KVA

S & F in replacement of old U/S automatic voltage regulator suitable for DG set of following rating of approved Make & model by the GE, complete all as specified and as directed

30KVA to 40KVA

M & L for replacement of old U/S fuel shutdown valve assembly complete testing including replacement of old unserviceable valves of any capacity DG set, complete all as specified and as directed.

M & L for replacement of old U/S bendix assembly of self starter of capacity 15 KVA to 40KVA DG set complete all as specified and as directed

M & L for replacement of old U/S existing make and model fly wheel ring including heating for press fitting for engine of DG set of capacity 30KVA to 40 KVA, complete all as specified and as directed.

M & L for replacement of old U/S stop solenoid 30KVA to 40KVA DG Set complete all as specified and as directed

S & F in repairs Electrinic Controller in AMF Panel of DG Set capacity 40 KVA and making all necessary connection and programming to make functional of DG Set

Dismantaling of radiator of DG Setof capacity 15 to 40 KVA and transporting to work shop for servicing/cleaning after dismantling twin tanks, replacement of gasket packing, nuts bolts, washers, descaling with appropriate chemical and elding of copper brazing of damaged fins/tubes and reassembling & refixing in same position after tesing complete all as specified and as directed.

M & L for replacement of moulded rectifier unit on existing DG set of capacity 120 Ohms for alternator exciter unit complete all as specified and as directed

All as per item No.21.00 but of capacity 140Ohms

M & L for replacement of SMPS based ElectronicBattery Charger suitable for 12/24 Volts battery charging system complete as specified and as directed.

Supply and replacement of old unserviceable battery 12Volts 80 AH maintenance free suitable for DG sets complete as specified and directed.

Supply and replacement of old unserviceable battery 12Volts 180 AH maintenance free suitable for DG sets complete as specified and directed.

M & L for replacement of on load change over switch 4 pole, 415Volt, of capacity 63Amps, complete as specified and directed.

S & F in replacement of old U/S following MCCB complete all as specified and as directed

MCCB 40 to 63A, 16KA 4Pole with thermal magnetic relay

MCCB 125A, 25KA 4Pole with thermal magnetic relay

MCCB 160A, 25KA 4Pole with thermal magnetic relay

Supply and fixing LED street light fittings,72 watts , IP 66 powder coated pressure die cast aluminium compact high power LED street light with heat resistant toughened glass and unique peanut lens to ensure uniform distribution, higher spacing between poles complete all as specified and as directed by the Engr-in-charge

M&L for water proof, 3core PVC insulated and PVC sheathed, copper conductor cable of size 1.5 sqmm, 1100 Volts grade for electrical connection of street light fittings, complete all as specified and directed.

Supply and fixing thermoplastic cable junstion box having protection IP 66/67 "weather proof" for outside installation with knockout entry for cable of size 10 - 16 sqmm and 155x210x92mm with terminals and provision of one 6A MCB SP all as specified and as directed.

M&L for replacement of steel tubular swaged poles complete with cast iron base plate, finial taper plug bolts, nuts & screw as specified type 410 SP-31, 9.0 meter long all as specified and directed by Engr-in-Charge.

S & F automatic transfer switch motorised 4Pole 125 Amps rating 415 Volts complete with connecton complete all as specifed and directed

M & L for battery teriminals including removal of extg unsv one compete all as specified.

Cutting unaxious green growth and wild grass by manual labour or by machine at Water supply Installation Premises, around Pole, along the boundary Fencing, removing rubbish from the Site of Work and deposting where directed not exc. 100 Metre from the starting Point, complete all as specified and as directed. NOTE : The Item shall be operated maximum 2 times in the entire period of the Contract and the measurement will be taken every time independently for Payment.

S&F in repairs GI Pipe 80mm dia not less than 4 mtr wraped completely with asbestos Rope , the pipe will be duly welded with exhaust pipe and extended up to outside the room of generator with proper necessary support and making good the hole of wall for fixing the GI Pipe complete all as directed by Engr-in-Charge.

S&F in repairs old US AMF Panel of 40KVA DG Set complete rewiring , change of any defective controlling item complete all as secified and directed

M&L for Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to galvanized iron strip 25x4mm as earth lead by mean of nut/bolt and washer of galvanized iron or steel as shown in electrical plate no 5 of SI part I including necessary excavation and earth work GI pipe 20mm dia light grade for watering and GI 15mm dia light grade pipe for protection of GI earth wire etc, PCC chamber with PCC cover in cement concrete 1:2:4 Type B1(20mm graded aggregate), funnel, wire mesh, charcoal dust, salt etc, connected to LT panel board as indicated including testing complete all as specified and as directed.

M & L for laying LT underground Cable, including takingdown existing u/s XLPE insulated, heavy duty armoured sheathed 1100 volts grade 10 Sq mm, 2 core, with aluminium conductor, ISI marked as per IS : 7098(Part-1) complete with all as specified.

All as per item No 38 above but 16sqmm, 4 core all as specified.

All as per item No 38 above but 25sqmm, 3.5 core all as specified.

All as per item No 38 above but 35sqmm, 3.5 core all as specified.

All as per item No 38 above but 70sqmm, 3.5 core all as specified.

All as per item No 38 above but 95sqmm, 3.5 core all as specified.

All as per item No 38 above but 120sqmm, 3.5 core all as specified.

Supply and laying burnt clay sub class B brick as cable protection all as specified and directed.

Supplying & Laying in trenches Clear Sand for cushioning under ground cable 8 cm below and 15 cm above complete in level all as specified.

Supply only column pipe 100mm dia GI pipe heavy grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket having length 100 mm complete all as specified and directed

Supply only column pipe 80mm dia GI pipe heavy grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket having length 80 mm complete all as specified and directed

Supply only column pipe 65mm dia galvanised iron medium grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket having length 100 mm complete all as specified and directed

Supply only column pipe 50mm dia galvanised iron medium grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket having length 50 mm complete all as specified and directed

S & F in repair fully automatic star delta for 15HP submerssible pump starter in sheet metal enclosure MU-G15 type all as specified and directed by Engr-in-Charge

S & F in repair DOL submerssible pump controller in sheet metal enclosure MU-G6 type r 3 HPMotor 415V, 50Hz, 3phase all as specified and directed by Engr-in-Charge

S & F in repair fully automatic submerssible pump starter in sheet metal enclosure MU-G15 type 10HPMotor RELAY RANGE 6-10A 415V, 50Hz, 3phase all as specified and directed by Engr-in-Charge

Supply and fix in replacement including lowering of Steel wire rope, PVC insulated of size 10 mm dia of suitable size/ length as directed with clamps, nuts & bolts and washers etc for holding column pipes / GI pipes of submersible pump set complete all as directed by Engr-in-Charge.

M & L for Scraping old paint of Electric Panel and Painting with two coats of synthetic enameal paint over a coat of red oxide primer and the shade paint including disconnecting electric connection and re-wiring without any damage of existing parts as directed by Engnr-in-Charge complete as all specified and as directed.

Supply & fix in repair Pressure guage of capacity 230 kg/cm2. complete all as specified and as directed.

Supply only chemical for drinking water treatment , calcium based granular high strength disinfectant chlorinating chemical having 65 % to 70 % chlorine content in granular form in a 45kg drum. The Chemical should be of new batch number not more than 6 month old manufactured. Brand should be from any manufacturer aproved by E-in-c's branch.

M & L for Cutting/cleaning and removing of green growths/unwanted bushes and wild grass by manual labour or by machine at Installation Premises, around Pole, along the boundary Fencing, removing rubbish from the Site of Work and deposting where directed not exc. 100 Metre from the starting Point, complete all as specified and as directed.

S&F in Repair to water level indicator of OH Reservoir by replacement of PVC float ball , mild steel pulley and flexible steel wire rope from float ball to measuring key and painting to indicator with 2 coat of synthetic enamel paint and marking number with red/black reflective type colour complete all as specified and as directed.

S&F of 3 Phase Dgitial Panel Volt Meter Flush Mounting 96x96mm, Accuracy Class -1 , Input Voltage measurement range 17-520V AC including taking down existing unserviceable one complete all as specified and as directed.

S&F of 3 Phase, 5A, Dgitial Panel Ammeter Flush Mounting 96x96mm, Accuracy Class -1 ,CT/PT Site programmable including taking down existing unserviceable one complete all as specified and as directed.

S & F 3 Phase indicator lamp including taking down existing set complete all as specified and as directed by Engr in Charge.

Disconnecting of electric main connections from the existing unserviceable motor control panel removing effected parts, cleaning complete to carryout various repair/replacement work and connecting up electically after repair work in and including providing new internal wiring within controll panel board for connecting up of connector/relay/voltmeter with suitable size twisted type PVC insulated complete with bottle neck lugs/thimble and new nuts & bolts if required connection shall be properly bunched, tied and dressed, ferrule markred for proper identification and shall be wrapped with PVC spring type tube near the door hinges complete all as directed by Engr-in-chargbe

M&L for PCC 1:3:6 (40 mm graded aggregate) Type C2 for foundation of pole, stay incl frame work where reqd all as directed.

M&L for PCC (1:2:4) type B-1 coping 20 mm graded aggregate for grouting, finished even and smooth without using extra cement all as directed.

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m depth for taking up or laying pipe in soft /loose soil and getting out all as specified.

Returning, filling in trenches including spreading leveling, watering and ramming in layers not exceeding 25 cm without damaginlg pipes specials/CI specials, fittings complete all as directed.

Removing of surplus soll not exceeding 50 mtr and deposited where directed at a level not exceeding 1.50 m above the strating point all as directed.

S & F in repair gate / globe valves cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union and fixed bore of following size : -

20 mm bore.

25 mm bore.

40 mm bore

50 mm bore

Construction of brick masonry valve pits of size 90 cm x 90 cm x 90 cm (internal dimension) complete and fabrication of M S cover made out of 3 mm thick MS sheet and angle iron frame made out of 40 mm x 40 mm x 6 mm thick and one side provided with hinges and another side provided with locking arranement including dismantling the existing unserviceable valve pit complete all as specifeid and as directed.

Taking out cast iron/Ductile iron/PVC/Cemented water mains including all fittings with flanged joints/tyton joints/ spigot and socket ends for the following sizes :- Note :- Excavation/earth work shall be measured and paid seperately under respective item considered here-in-before

200mm Bore

150 mm bore

100 mm bore

Supply, laying, jointing and testing of Ductile iron water mains Class K-7 with spigot and socket ends including rubber gasket joints laid in trenches complete all as specified and directed for the following sizes :-

200mm Bore

150 mm bore

100 mm bore

Supply, fixing and testing DI fittings for spigot & socketed or flanged pipes i.e. bends, reducers, tail pieces, tapers, tees, collars, caps, plugs with MS plate, nuts, bolts, washers gaskets etc of sizes 80mm to 200mm dia including taking out Unserviceable complete all as specified and directed .

S & F mechanical Joint of following bore dia, complete all as specified and directed:

200mm Bore

150mm bore

100mm bore

M & L in replacement for fabrication of ladder for OHT & UG sump made out of MS angle / flat iron frame & MS bar including cutting welding and fixing by PCC work with one coat of red oxide & two coats of Bituminous black water proof paint at site complete all as specified & directed.

M & L for jointing of pipe of dia upto 200mm , shifted by elephant running over the river bed and formation of two PCC pillars for supporting of each length of pipe complete all as specified and as directed.

M&L for Providing clamp for fixing the inlet/outlet/backwash/overflow pipe up to 12mtr height for Pressed steel overhead Tank by clam 25X3mm clamp at on equal interval of 3 mtr of pipe complete all as specified and directed

Supply Aluminium ladder self supporting type , adjustable in two section , extended up to minimum 11 meter for working electrical work on PCC/Swaged type pole complete all as specified and directed by Engr-in-charge

Supply Digital clamp Multimeter suitable for measuring voltage, corrent , resistance

Supply LT Maggar suitable for measuring LT UG calble resistance

Supply HT Megger suitable for measuring HT UG calble resistance

S&F Glow sign board of size 3ftx2ft , frame should be made of MS pipe dly painted with one coat of red oxide primer and two coat of synthetic enamel paint and fixing of one LED tube light 18 W connection alongwith fixing arrangement of suitable size MS pipe minimum each lenght 1.6 mtr including all PCC work for fixing , in sign board the location of pump/power house shoulf be mentioned complete all as specified and directed by Engr-in-Charge

Supply and fix in repair single phase preventor relay SPPR type SDz5, SPPR with Timer 360V in Fully automatic star delta starter by expert Electrician in sheet metal enclosure for 7.5 HP/10HP/15HP motor.

S & F in repair DOL submerssible pump controller in sheet metal enclosure MRG2 type for 3 HPMotor 230V, 50Hz, 1phase all as specified and directed by Engr-in-Charge

S & F in repair DOL submerssible pump controller in sheet metal enclosure MRG2 type for 2 HPMotor 230V, 50Hz, 1phase all as specified and directed by Engr-in-Charge

M&L for rewinding including spare parts of 5HP ,1 phase Booster pump of any make with PVC insulated super enmelled copper wire of same (old) gauge as per manufacturer's instruction / specifications and providing all spare parts necessary to make in service condition after dismantling / cutting out old burnt winding from starter assembly, cleaning of slots properly complete with insulating materials, packing, sleeves, papers, matching works, including servicing / overhauling of pump and re-assemblying of motor and pump including painting with two coats of synthetic enamel paints over a coat of red oxide primer after preperatiojn of external surfaces and water proof jointing for cable 2 core complete all as specified and directed with and including transportation of unserviceable motor and pump assembly to nearest authorised workshop for repair from site and taking back the same after repair / servicing and overhauling at site.

M&L rewinding including spare parts of 10/15 HP booster pump 3 phase, 415 volts, 50 Hz of any make with PVC insulated super enmelled copper wire of same (old) gauge as per manufacturer's instruction / specifications and providing all spare parts necessary to make in service condition after dismantling / cutting out old burnt winding from starter assembly, cleaning of slots properly complete with insulating materials, packing, sleeves, papers, matching works, including servicing / overhauling of pump and re-assemblying of motor and pump including painting with two coats of synthetic enamel paints over a coat of red oxide primer after preperatiojn of external surfaces and water proof jointing for cable 3 core complete all as specified and directed with and including transportation of unserviceable motor and pump assembly to nearest authorised workshop for repair from site and taking back the same after repair / servicing and overhauling at site.

Supply Aluminium ladder minimum 10 mtr height ,sliding arrangement , suitable for repair to street light

Supply, install, testing & commissioning of OUTDOOR type stainless steel panel cubical enclosure LT feeder piller Box , suitable for highly corrosive enviroment ,high creep resistance better mechanical porperity like ductility ,yield strength ,haredness etc for 3 phase 4 wire 415V,50 Hz, IP-54 of appropriate size as approved by Engr-in-charge totally enclosed weather, dust vermin proof made of angle iron frame 50mm X50mmX6mm with cable entry and exit through bottom with double compression copper stainless steel cable glands and gaskets ,cold rolled cold annealed )MS sheet bend to shape, front & back side operated double door with proper hinge and locking arrangement with Al bus bar fixed on porcelain insulator and painting panel board complete with two coats of powder coated paint over a coat of red oxide primer with spray painting on internal and external surfaces and shall be complete incl internal wiring using with suitable size of copper conductor cables and aluminium strips for incoming and outgoing connections of all switches/MCB's/MCCB/Bus bar cable .Bus bar shall be insulated with colour code/sleeves/tapes including necessary PCC (1:3:6)type C2 for foundation /Platform all as specified and directed.LT panel board shall be comple in all respects with and incl the following accessories:- BUSBAR :- 100 Amps rated Aluminium bus bar TPN duly insulated with coloured PVC sleeve as per standard colour code and rigidly mounted on bakelite/DMC insulator bus bar support (Square/round ) insulators of suitable size and good insulation resistance INCOMING:- (i) MCCB 4P of capacity 63 Amps, 415 Volts, 50 Hz, 3 phase breaking capacity 16KA with thermal magnetic release -01 No (ii) 3 Ph digital volt meter Class 1, 0-500 volts, 3 Phase, 4 digi twith LED display-- 01 No (iii)3 Ph digital Amphere meter Class 1 accuracy , 0.5 VA burdenwith LED display-- 01 No iv) Modular indicator lamp with integral circuit (230/240 volt) and cluster LED (RED, ORANGE, BLUE) -01 set (v) CT (100/5A) -03 Nos OUTGOING:- (a) MCB 4 Pole of capacity 32 Amp , breaking capacity 10 KA with thermal release -4 Nos (b) MCB 2 Pole of capacity 32 Amp , breaking capacity 10 KA with thermal release -12 Nos (c) Time Switches astro type (having longitude and latitude of indian cities in memory) 250 V single phase of 20 Amp Rating With 3 phase 63A Contactor fitted inside steel enclosure (d ) Spare pocket fo MCCB - 1

Supply and fix sluice valve of following size/ bore, all as IS-14846-2000 PN 1.6 with gun metal spindle both ends flanged and drilled with necessary holes for bolts including jointing materials viz nuts, bolts, rubber gaskets etc with iron wheel head including flange joints and making necessary arrangements to fix in position including taking down old unserviceable sluice valve complete all as specified and directed.

200mm Bore

150 mm bore

100 mm bore

80 mm bore

Opening of leakage in GI pipe joints of following size of GI/DI pipe and taking out unserviceable aprt like union, tee, elbow etc with provisioning of New materials complete all as specified and directed.

80 mm bore

50 mm bore

40 mm bore

25 mm bore

M&L painting for overhead pressed steel tank 10000 Gln on external surface two coat of synthetic enamelled paint over one coat of red oxide primer complete all as specified and directed by Engr-in-Charge.

M&L for repairing the leakage of overhead pressed steel tank 10000 Gln at the joint of two plate by providing chequer plate and other itmes required to rectify the leakage by providing Nut-bolts complete all as specified and directed by Engr-in-Charge

S&F in repair flat submersible motor cable, three core, coopper conductor of size 6.0 Sqmm, including providing necessary connection and testing on completion complete all as specified and directed.

S&F in repair flat submersible motor cable, three core, coopper conductor of size 4.0 Sqmm, including providing necessary connection and testing on completion complete all as specified and directed.

SRI SURAJIT SENGUPTA

M/S JANARDAN SHARMA AND SONS

M/S ASOKE KUMAR MAJUMDER

M/s. STRUCTURES INDIA

M/S Bikash Saha

SHRI JIBANDHAN PAUL

M/S BHARAT CONSTRUCTION